著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Cravens, Thomas D.",Comparative historical dialectology : Italo-Romance clues to Ibero-Romance sound change,,J. Benjamins Pub.,2002,Amsterdam studies in the theory and history of linguistic science,,"9027247390,1588113132",,https://cir.nii.ac.jp/crid/1130282271083325440